source /opt/ros/foxy/setup.bash
cd daddy_robot
. install/setup.bash
ros2 run daddy_robot daddy_robot_node
crontab -e
Add a new entry in the file:
@reboot python3 /home/pi/daddy_robot/server.py
Make sure the file is executable:
sudo chmod a+x /home/pi/daddy_robot/server.py
sudo vim /boot/firmware/config.txt
add the following two lines:
start_x=1 # enable raspi camera
gpu_mem=512
https://www.raspberrypi.org/documentation/configuration/config-txt/memory.md
random commands i've used:
sudo apt-get update
sudo apt-get upgrade
python3 --version
sudo apt-get install python3-dev python3-rpi.gpio
sudo service uv4l_raspicam start
sudo service uv4l_raspicam restart
sudo service uv4l_raspicam stop
sudo apt install fswebcam
fswebcam image.jpg
sudo nano /etc/uv4l/uv4l-raspicam.conf
uv4l --config-file=/etc/uv4l/uv4l-uvc.conf
cat /etc/uv4l/uv4l-uvc.conf
uv4l --config-file=/etc/uv4l/uv4l-uvc.conf --device-path=/dev/video0
uv4l --sched-rr --mem-lock --driver raspicam --width 960 --height 540 --framerate 30 --encoding mjpeg --vflip --hflip
uv4l --sched-rr --mem-lock --driver uvc --device-id=038f:6001
sudo service uv4l_raspicam status
lsusb
sudo vim /etc/systemd/system/uv4l_raspicam.service
sudo vim /etc/uv4l/uv4l-raspicam.conf
sudo apt install python3-pip
pip3 install aiortc
sudo apt-get install libffi
sudo apt install libavdevice-dev libavfilter-dev libopus-dev libvpx-dev pkg-config
sudo apt-get install python-cffi
sudo apt-get install python3-dev
sudo apt-get install -y python3-cffi
sudo apt install libsrtp2-dev
sudo apt-get install libatlas-base-dev
sudo apt-get install libjasper-dev
sudo apt-get install libqtgui4
sudo apt-get install python3-pyqt5
sudo apt-get install -y libilmbase-dev
sudo apt-get install -y libopenexr-dev
sudo apt-get install -y libgstreamer1.0-dev
sudo apt install libqt4-test
pip3 uninstall opencv-python
pip3 install opencv-python==3.4.6.27
cd frontend
npx webpack --mode development
python3 -m http.server
http://docs.donkeycar.com https://www.youtube.com/playlist?list=PLjDc7gDlIASSp38zxcD_KMhogQBt7Dz_r linuxconf ros talks